Home / 7,753.20-11,629.80-5,566.20

Finding the Fourth Proportional to 7,753.20, 11,629.80 and 5,566.20

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Solution

The fourth proportional to 7,753.20, 11,629.80 and 5,566.20 is: 8,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.20 : 11,629.80 = 5,566.20 : x
  2. Step 2: Convert to fraction form
    7,753.20/11,629.80 = 5,566.20/x
  3. Step 3: Cross multiply
    7,753.20x = 11,629.80 × 5,566.20
  4. Step 4: Simplify right side
    7,753.20x = 64,733,792.76
  5. Step 5: Solve for x
    x = 64,733,792.76/7,753.20
  6. Step 6: Final answer
    x = 8,349.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.